... cycle, saving energy.2. Reactive power correction, IGBT, AC/DC or pulse output , soft switch, inverter with 100 kHz high frequency;3 ... VoltageSingle phase 50/60 HzAC 220V±10%, 230V±10%, 240V±10%Open Circuit VoltageTIG/MMA : 60V ~ 80V ; ... ~ 200A20 ~ 250AAC Balance30% ~ 70% EP (EP=Electrode Positive)Output AC Frequency20 ~ 120Hz Square WaveformsDCTIGOutput Current Range10 ~ 160A10 ~ 200A10 ~ ...